PROBLEM CAUSE SOLUTION Incomplete Fill Melt and/or mold temperature too cold Mold design Shot Size • Increase nozzle and barrel temperatures • Increase mold temperature • Increase injection speed • Increase pack and hold pressure • Increase nozzle tip diameter • Check thermocouples and heater bands • Enlarge or widen vents and increase number of vents • Check that vents are unplugged • Check that gates are unplugged • Enlarge gates and/or runners • Perform short shots to determine fill pattern and verify proper vent location • Increase wall thickness to move gas trap to parting line • Increase shot size • Increase cushion Brittleness Melt temperature too low Degraded/Overheated material Gate location and/or size • Increase melt temperature • Increase injection speed • Measure melt temperature with pyrometer • Decrease melt temperature • Decrease back pressure • Use smaller barrel/excessive residence time • Relocate gate to nonstress area • Increase gate size to allow higher flow speed and lower molded-in stress Fibers on Surface (Splay) Melt temperature too low Insufficient packing • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase pack and hold pressure, and time • Increase shot size • Increase gate size Sink Marks Part geometry too thick Melt temperature too hot Insufficient material volume • Reduce wall thickness • Reduce rib thickness • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase shot size • Increase injection rate • Increase packing pressure • Increase gate size Flash Injection pressure too high Excess material volume Melt and/or mold temperature too hot • Decrease injection pressure • Increase clamp pressure • Decrease injection speed • Increase transfer position • Decrease pack pressure • Decrease shot size • Decrease injection speed • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease screw speed TROUBLESHOOTING RECOMMENDATIONS PROBLEM CAUSE SOLUTION Excessive Shrink Too much orientation • Increase packing time and pressure • Increase hold pressure • Decrease melt temperature • Decrease mold temperature • Decrease injection speed • Decrease screw rpm • Increase venting • Increase cooling time Not Enough Shrink Too little orientation • Decrease packing pressure and time • Decrease hold pressure • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase screw rpm • Decrease cooling time Burning Melt and/or mold temperature too hot Mold design Moisture • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease injection speed • Clean, widen and increase number of vents • Increase gate size or number of gates • Verify material is dried at proper conditions Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Weld Lines Melt front temperatures too low Mold design • Increase pack and hold pressure • Increase melt temperature • Increase vent width and locations • Increase injection speed • Increase mold temperature • Decrease injection speed • Increase gate size • Perform short shots to determine fill pattern and verify proper vent location • Add vents and/or false ejector pin • Move gate location Warp Excessive orientation Mold design • Increase cooling time • Increase melt temperature • Decrease injection pressure and injection speed • Increase number of gates Sticking in Mold Cavities are overpacked Mold design Part is too hot • Decrease injection speed and pressure • Decrease pack and hold pressure • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time • Increase draft angle • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time TROUBLESHOOTING RECOMMENDATIONS www.avient.com Copyright © 2020, Avient Corporation.

Maintain a minimum draft angle of 1° per side. 4 Therma-Tech Troubleshooting Recommendations Problem Cause Solution Incomplete Fill Melt and/or mold too cold • Increase nozzle and barrel temperatures • Increase mold temperature • Increase injection rate • Increase pack and hold pressure • Increase nozzle tip diameter • Check thermocouples and heater bands Mold design • Enlarge or widen vents and increase number of vents • Check that vents are unplugged • Check that gates are unplugged • Enlarge gates and/or runners • Perform short shots to determine fill pattern and verify proper vent location • Increase wall thickness to move gas trap to parting line Shot size • Increase shot size • Increase cushion • Decrease transfer position Brittleness Low melt temperature • Increase melt temperature • Increase injection rate • Measure melt temperature with pyrometer Degraded/ overheated material • Decrease melt temperature • Decrease back pressure • Use smaller barrel/excessive residence time • Decrease screw rpm Gate location and/or size • Relocate gate to nonstress area • Increase gate size to allow higher flow rate and lower molded in stress Fibers on Surface (Splay) Melt temperature too low • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase screw rpm Insufficient packing • Increase pack and hold pressure, and time • Increase shot size • Increase gate size Processing Guide 5 Problem Cause Solution Sink Marks Part geometry too thick • Reduce wall thickness • Reduce rib thickness • Maintain nominal wall thickness Melt too hot • Decrease nozzle and barrel temperatures• Decrease mold temperature Insufficient material volume • Increase shot size • Increase injection rate • Increase pack pressure/time • Increase gate size Flash Injection pressure too high • Decrease injection pressure • Increase clamp pressure • Decrease injection rate • Increase transfer position Excess material volume • Decrease pack pressure • Decrease shot size • Decrease injection rate Melt and/or mold too hot • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease screw speed Excessive Shrink Too much orientation • Increase packing time and pressure • Increase hold pressure • Decrease melt temperature • Decrease mold temperature • Decrease injection speed • Decrease screw rpm • Increase venting • Increase cooling time Not Enough Shrink Too little orientation • Decrease packing pressure and time • Decrease hold pressure • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase screw rpm • Decrease cooling time Troubleshooting Recommendations 6 Therma-Tech Troubleshooting Recommendations Problem Cause Solution Burning Melt and/or mold too cold • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease injection rate Mold design • Clean, widen and increase number of vents• Increase gate size or number of gates Moisture • Verify material is dried at proper conditions Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Weld Lines Melt front temperatures are too low • Increase pack and hold pressure • Increase melt temperature • Increase vent width and locations • Increase injection rate • Increase mold temperature Mold design • Decrease injection rate • Increase gate size • Perform short shots to determine fill pattern and verify proper vent location • Add vents and/or false ejector pin • Move gate location Warp Excessive orientation • Increase cooling time • Increase melt temperature • Decrease injection pressure and injection rate Mold design • Increase number of gates Sticking in Mold Cavities are overpacked • Decrease injection rate and pressure • Decrease pack and hold pressure • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time Mold design • Increase draft angle Part is too hot • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.

Increase wall thickness to move gas trap to parting line Shot size 1.

Shots Composite Panel Nominal Thickness Nominal Weight Level 1 9mm full metal copper jacket with lead core 1175 ft/sec 358 m/sec 3 GlasArmor Level 1 0.256 in 6.5 mm 2.7 lb/ft2 13.2 kg/m2 Level 2 Level II-A .357 magnum jacketed lead soft point 1250 ft/sec 381 m/sec 3 GlasArmor Level 2 0.384 in 9.8 mm 4.0 lb/ft2 19.5 kg/m2 Level 3 Level III-A .44 magnum lead semi-wadcutter gas checked 1350 ft/sec 411 m/sec 3 GlasArmor Level 3 0.500 in 12.7 mm 5.1 lb/ft2 24.9 kg/m2 ThermoBallistic Level 3 0.440 in 11.2 mm 3.9 lb/ft2 19.0 kg/m2 Level 4 .30 cal. rifle lead core 2450 ft/sec 747 m/sec 1 Customized solutions are available.

IEA CO2 Emissions from Fuel Combustion IPCC Guidelines for National Greenhouse Gas Inventories, 2006 The Greenhouse Gas Protocol: Public Sector Standard The Greenhouse Gas Protocol: Scope 2 Guidance US EPA Mandatory Greenhouse Gas Reporting Rule US EPA Emissions & Generation Resource Integrated Database (eGRID) Other, please specify Reliable Disclosure Systems for Europe (RE-DISS) C6. DEFRA factors were used to calculate well to tank (WTT) emissions for natural gas, diesel and electric power. Emissions breakdowns C7.1 (C7.1) Does your organization break down its Scope 1 emissions by greenhouse gas type?

By 2040, a circular economy has the potential to reduce the annual volume of plastics entering our oceans by 80%, reduce greenhouse gas emissions by 25%, generate savings of $200 U.S. dollars per year and create 700,000 net additional jobs..

Organize Sanayi Bölgesi, 83539 27060 Sehitkamil Türkiye Avient Colorants USA LLC Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 926 Elliott Road Albion MI 49224 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 3023 Mayo Street Dalton GA 30720 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 85 Industrial Park Holden MA 01520 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 17 Foss Road Lewiston ME 04240 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 9101 International Parkway Minneapolis MN 55428 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 337 Timber Road Mooresville NC 28115 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 4425 East Elwood Street, Suite 104 Phoenix AZ 85040 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 625 Wegner Drive West Chicago IL 60185 United States Avient Corporation Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 382 Arbor Court Winchester VA 22602 United States Avient Vietnam Company Limited Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 3 VSIP street 02 75000 Tuan Anh Town Vietnam Avient Colorants (Guangzhou) Ltd.

By 2040, a circular economy has the potential to reduce the annual volume of plastics entering our oceans by 80%, reduce greenhouse gas emissions by 25%, generate savings of $200 U.S. dollars per year and create 700,000 net additional jobs..

Rachatewa, Bangplee Samutprakarn, Thailand, 10540 Phone: +66 232 791 00 Americas The ColorMatrix Corporation 680 North Rocky River Drive Berea, 44017 OH, USA Phone: +1 216 622 0100 Innovation Center & Manufacturing Plant 2900 Shawnee Industrial Way Suwanee, GA, United States, 30024 Phone: +1 770 271 5900 ColorMatrix do Brasil Indústria e Comércio de Pigmentos e Aditivos Ltda. 13295-000 Itupeva, SP Brazil Av.

Fog formation is a challenge for many fresh foods and packaging types, including: • Fresh and processed meats and fish • Lidding barrier films on rigid or semi-rigid containers • Stretch films • Fruits and vegetables • Stretch or shrink films • Biaxially Oriented Polypropylene (BOPP) films 4© 2020 Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 in recent years, and it is now possible to create films with outstanding mechanical properties, gas barrier properties, and optical qualities.